All terrain vehicle



FIG. 1 is a front perspective view of an all-terrain vehicle embodying our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a right-side elevation view thereof; and,

FIG. 7 is a top plan view thereof.

The portions of the all terrain vehicle shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for an all terrain vehicle, as shown and described. 